.scan-box {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100vw;
    background-image: linear-gradient(
        0deg,
        transparent 24%,
        rgba(32, 255, 77, 0.1) 25%,
        rgba(32, 255, 77, 0.1) 26%,
        transparent 27%,
        transparent 74%,
        rgba(32, 255, 77, 0.1) 75%,
        rgba(32, 255, 77, 0.1) 76%,
        transparent 77%,
        transparent
      ),
      linear-gradient(
        90deg,
        transparent 24%,
        rgba(32, 255, 77, 0.1) 25%,
        rgba(32, 255, 77, 0.1) 26%,
        transparent 27%,
        transparent 74%,
        rgba(32, 255, 77, 0.1) 75%,
        rgba(32, 255, 77, 0.1) 76%,
        transparent 77%,
        transparent
      );
    background-size: 3rem 3rem;
    background-position: -1rem -1rem;
  }
  .back{
    font-size: 24px;
    color: #fff;
    font-weight: bolder;
    line-height: 50px;
    display: flex;
    align-items: center;
    z-index: 9999;
    position: fixed;
    top: 30px;
    left: 20px;
    img{
        width: 40px;
        height: 40px;
    }
  }
  
  .scan-video {
    height: 100vh;
    width: 100vw;
    object-fit: cover;
  }
  
  .qr-scanner .box {
    width: 500px;
    height: 500px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    overflow: hidden;
    border: 0.1rem solid rgba(0, 255, 51, 0.2);
    background: transparent; // url('http://resource.beige.world/imgs/gongconghao.png') no-repeat center center;
  }
  
  .qr-scanner .line {
    height: calc(100% - 2px);
    width: 100%;
    background: linear-gradient(180deg, rgba(0, 255, 51, 0) 43%, #00ff33 211%);
    border-bottom: 3px solid #00ff33;
    transform: translateY(-100%);
    animation: radar-beam 2s infinite alternate;
    animation-timing-function: cubic-bezier(0.53, 0, 0.43, 0.99);
    animation-delay: 1.4s;
  }
  
  .qr-scanner .box:after,
  .qr-scanner .box:before,
  .qr-scanner .angle:after,
  .qr-scanner .angle:before {
    content: "";
    display: block;
    position: absolute;
    width: 3vw;
    height: 3vw;
    border: 0.2rem solid transparent;
  }
  
  .qr-scanner .box:after,
  .qr-scanner .box:before {
    top: 0;
    border-top-color: #00ff33;
  }
  
  .qr-scanner .angle:after,
  .qr-scanner .angle:before {
    bottom: 0;
    border-bottom-color: #00ff33;
  }
  
  .qr-scanner .box:before,
  .qr-scanner .angle:before {
    left: 0;
    border-left-color: #00ff33;
  }
  
  .qr-scanner .box:after,
  .qr-scanner .angle:after {
    right: 0;
    border-right-color: #00ff33;
  }
  
  @keyframes radar-beam {
    0% {
      transform: translateY(-100%);
    }
  
    100% {
      transform: translateY(0);
    }
  }
  
  .scan-tip {
    width: 100vw;
    text-align: center;
    margin-bottom: 5vh;
    color: white;
    font-size: 5vw;
    position: absolute;
    bottom: 50px;
    left: 0;
    color: #fff;
  }
  
  .page-scan {
    overflow-y: hidden;
    z-index: 999;
  }

  .change {
    z-index: 100;
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    text-align: center;
    // background-color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    line-height: 60px;
    /* align-content: center; */
   
  }
  .change  img{
    width: 50px;     
    height: 50px;
  }
  .el-icon-refresh {
    color: #000;
    font-size: 25px;
  }